- Sometimes it is quite confusing when we try to deploy the IOS app to the app store and for a beginner developer, it sounds complex so in this blog we are trying to explain all the step by step process to deploy a react native ios app to the app store.
- Building iOS apps requires some iOS development dependencies to be installed, including Xcode 11 and the Xcode command line tools. Note: It's possible to develop and build iOS apps without a Mac, such as by using Ionic Appflow's Package feature. Consult your service of choice for more information.
It is possible to develop iOS (and Android at the same time) application using React Native + Expo without owning a mac. You will also be able to run your iOS application within iOS Expo app while developing it. (You can even publish it for other people to access, but it will only run within Expo app). You can use expo cli. Create react native app was merged with Expo CLI. Expo build:android expo build:ios From the github page of create native app: Note: Create React Native App has been merged with Expo CLI You can now use expo init to create your project. See Quick Start in the Expo documentation for instructions on getting started using Expo CLI. Aug 02, 2016 The good news is that you can develop and test your apps on your iOS device without a paid Apple Developer account. This is particularly great for developers who want to try out, or are just starting to develop, using a framework like Ionic, since it saves the cost but gets you a lot of the features of having a full Apple Developer account.
Photo by Rodrigo Galindez
Do I need a Mac to make iPhone apps? Apple Watch apps? Mac apps? The short answer is no. But there's a lot more to it than just that.
When making apps for an Apple device (phone, watch, computer) you need to use Xcode. A free piece of software created by Apple that allows you to design and code up apps. Xcode only works on Apple's operating system OS X. So if you have a Mac, then you can run Xcode no problem. If you don't have a Mac, there are two work arounds that I know of that you can use. So in total there are three ways you can run Xcode. Here's my thoughts on each of them.
1. Using a Mac
This is by far the best option. Using apple's hardware to run Xcode is going to be your best experience for making apps. You might not have a Mac though and buying one can be expensive. I remember when I wanted to first buy a Mac and couldn't get over the price tag. The MacBook I was looking to buy cost $1,200. A PC with similar parts (RAM, CPU, HardDrive, etc..) cost only $400. Three times the money for a stinking Apple logo! In retrospect, the money was well worth it.
If you are interested in going this route and buying a computer, check out my Mac Buying Guide for developers.
Also be on the lookout of place where you could use a Mac for free. Maybe your library has a machine you can use.
2. Using a Cloud Service
This is my second favorite option. It's a really creative solution for helping people make apps who don't have Macs. There are few companies that own a bunch of Mac computers and allow you to access them via the web and control them remotely. It's kind of like renting a Mac month to month. All you need is a web browser to access your machine. The downside to this is you have to pay a monthly fee and you must be connected to the internet to do your work. Here are links to two companies that do this: macincloud.com and xcodeclub.com
3. Virtual Machine
Best Ios Apps
This option involves creating a virtual machine on your computer, installing Apple's OS X operating system, and then running Xcode on that virtual machine. I don't like this option for two reasons.
- It's complicated. It takes a lot of work and technical know how to get your virtual machine set up.
- It's illegal. Apple doesn't sell OS X by itself as a stand alone product. They sell computers with OS X on them. For this reason, you can't buy a copy of OS X and run it on your computer. You would have to download it illegally. Some people argue that Apple would never come after you for doing this but I don't think it's worth the risk and besides, you're going to have a MUCH better experience with an actual Mac. Here's a good summary of the legality.
If you got the budget for it, buy a Mac. I know it's crazy expensive but I believe you'll fall in love with your Mac. If you end up using a cloud service, let me know in the comments what your experience has been. I'd love to hear more.
by Soujanya PS
I recently started to develop a React-Native app on iOS. This was my first foray into native app development. I was surprised by the ease and level of abstraction provided by React-Native’s command line interface. I was also curious to understand what happens under the hood when React-Native runs an app on a device or a simulator.
I spent a lot of time going through the relevant code. There was no one place which summarized what React-Native does to get the app working. Partly, that was the motivation to come up with this piece. I want to help any other person who is starting off afresh with React-Native app development.
React-Native provides command line utilities to run an app on iOS and Andriod simulators/devices. Without further ado, let's try to understand the what and how of the process to run React-Native apps on iOS.
Behind the scenes
React-native provides this neat utility called
init
. It creates a native app template for you. This template creates the relevant Xcode project files under the iOS folder of the app.React-Native apps can be launched on iOS simulators/physical devices by running the following command in the root folder of an app:
Successful execution would open the app on a simulator or a connected device. For this to happen, there are a bunch of steps which are executed when we run the above command.
run-ios command
React-Native provides a number of command line utilities to work with the app. These can be found under the local-cli folder of the React-Native node module. run-ios is one such utility which invokes the
runIOS()
function defined in the runIOS.js file. run-ios accepts certain options such as:Device/Simulator selection
When no device is specified,
run-ios
would launch the app in Debug mode on a simulator by default. This is done by executing a series of xcrun simctl
commands. They would first check the list of available simulators on Mac, pick one among them, and then boot the selected simulator.Alternatively, if you wish to run the app on a physical device, plug the device to the Mac and then pass on the device details to the
run-ios
command.The next step is to build the Xcode project of the app.
Building App code
Usually, the React-Native app Xcode project can be found in the iOS folder present under the root folder. The Xcode project is built using the
xcodebuild
command. Any options specified to run-ios
such as the configuration etc. are passed on to this command.Installing a smart card reader on your Mac isn't as simple as you may think. Find out how to install a CAC reader for Mac in our handy step-by-step guide! Installing a smart card reader on your Mac isn't as simple as you may think. Find out how to install a CAC reader for Mac. Smart card reader software free mac. Type C Smart Card Reader Saicoo DOD Military USB-C Common Access CAC Card Reader, Compatible with Windows (32/64bit) XP/Vista/ 7/8/10, Mac OS X 3.4 out of 5 stars 138 $11.99 $ 11. Smartcard Reader Software 2.00 can be downloaded from our software library for free. The most popular versions of the Smartcard Reader Software are 2.0 and 1.4. This free software was originally created by Hewlett-Packard. Smartcard Reader Software lies within. Card reader is not recognized. Shows up as 'STCII Smart Card Reader' C. Shows up as 'USB Smart Card Reader' (not necessarily a problem) D. Does not read your 'Gemalto TOP DL GX4 144', 'Oberthur ID One 128 v5.5 Dual' CAC. Does not read your CAC when using your Mac. NO TE: We are hearing Mac users having problems with the SCR-331 reader.
By default, the Xcode project is built in Debug scheme. Once the project is successfully built, the app is installed and launched on the simulator or the connected device.
App code bundling in Debug Mode
During the development process, React Native loads our JavaScript code dynamically at runtime. For this, we need a server to bundle our app code and provide it as needed.
While the Xcode project is being built in Debug mode, an instance of Metro server is also started in parallel. Metro is the bundler used by apps created by the React-Native command line interface (CLI). It is used to bundle our app code in development. This helps us with faster and easier debugging by enabling hot reloading etc.
Metro server is configured to start on port 8081 by default. Once the app is launched in the simulator, a request is sent to the server for the bundle.
The server then downloads all the required dependencies, bundles the JavaScript app code and sends it back to the app. After this step, you can see the app working on the simulator or a connected device.
App code bundling in Release Mode — Pre-packaging the JavaScript bundle
In release mode, we have to pre-package the JavaScript bundle and distribute it inside our app. Doing this requires a code change so that it knows to load the static bundle. In AppDelegate.m file, change jsCodeLocation to point to the static bundle if you’re not in debug mode.
This will now reference the
main.bundle
resource file. This file is created during the Bundle React Native code and images
build Phase in Xcode. During this phase, react-native-xcode.sh
script is runwhich bundles the JavaScript app code. This script can be found under the React-Native node module’s scripts folder.Building the app from Xcode
Alternatively, the Xcode project can also be built within Xcode in Mac instead of using the React-Native CLI. Once done, the app can be launched on a simulator selected from the Xcode options or on a connected physical device.
I hope this helped you understand the various steps which happen when we run a simple
react-native run-ios
command which magically brings up an app on iOS.Ios Apps Review
Some parts of the information provided here have been sourced from the React-Native home page. The rest is a product of me snooping around the code :)
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